DE3007172C2 - Belichtungsmesser in einer Kamera - Google Patents

Belichtungsmesser in einer Kamera

Info

Publication number
DE3007172C2
DE3007172C2 DE3007172A DE3007172A DE3007172C2 DE 3007172 C2 DE3007172 C2 DE 3007172C2 DE 3007172 A DE3007172 A DE 3007172A DE 3007172 A DE3007172 A DE 3007172A DE 3007172 C2 DE3007172 C2 DE 3007172C2
Authority
DE
Germany
Prior art keywords
image
photoelectric
areas
measuring
measuring surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE3007172A
Other languages
German (de)
English (en)
Other versions
DE3007172A1 (de
Inventor
Toru Isehara Kanagawa Fukuhara
Takashi Sagamihara Kanagawa Saegusa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nikon Corp
Original Assignee
Nippon Kogaku Tokyo KK
Nippon Kogaku KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Kogaku Tokyo KK, Nippon Kogaku KK filed Critical Nippon Kogaku Tokyo KK
Publication of DE3007172A1 publication Critical patent/DE3007172A1/de
Application granted granted Critical
Publication of DE3007172C2 publication Critical patent/DE3007172C2/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/099—Arrangement of photoelectric elements in or on the camera
    • G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
    • G03B7/0997—Through the lens [TTL] measuring
    • G03B7/09979—Multi-zone light measuring
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/099—Arrangement of photoelectric elements in or on the camera
    • G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
    • G03B7/0997—Through the lens [TTL] measuring
    • G03B7/09971—Through the lens [TTL] measuring in mirror-reflex cameras
    • G03B7/09972—Through the lens [TTL] measuring in mirror-reflex cameras using the mirror as sensor light reflecting or transmitting member
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/099—Arrangement of photoelectric elements in or on the camera
    • G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
    • G03B7/0997—Through the lens [TTL] measuring
    • G03B7/09971—Through the lens [TTL] measuring in mirror-reflex cameras
    • G03B7/09976—Through the lens [TTL] measuring in mirror-reflex cameras the sensor being mounted in, before, or behind the porro-prism

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Exposure Control For Cameras (AREA)
DE3007172A 1979-02-28 1980-02-26 Belichtungsmesser in einer Kamera Expired DE3007172C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1979024089U JPS634984Y2 (enrdf_load_stackoverflow) 1979-02-28 1979-02-28

Publications (2)

Publication Number Publication Date
DE3007172A1 DE3007172A1 (de) 1980-09-11
DE3007172C2 true DE3007172C2 (de) 1982-04-01

Family

ID=12128655

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3007172A Expired DE3007172C2 (de) 1979-02-28 1980-02-26 Belichtungsmesser in einer Kamera

Country Status (3)

Country Link
US (1) US4274721A (enrdf_load_stackoverflow)
JP (1) JPS634984Y2 (enrdf_load_stackoverflow)
DE (1) DE3007172C2 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4937610A (en) * 1985-09-09 1990-06-26 Minolta Camera Kabushiki Kaisha Exposure control device for a camera
US4905035A (en) * 1986-09-24 1990-02-27 Nikon Corporation Camera
JP3188978B2 (ja) * 1991-09-04 2001-07-16 株式会社ニコン カメラの測光装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1222787B (de) * 1962-05-05 1966-08-11 Zeiss Ikon Ag Photoelektrischer Belichtungsmesser fuer photographische bzw. kinematographische Kameras
DE2161179C3 (de) * 1970-12-10 1980-07-17 Minolta Camera K.K., Osaka (Japan) Belichtungsmesser für eine photographische Kamera
JPS5320854B2 (enrdf_load_stackoverflow) * 1971-12-01 1978-06-29
JPS5833534B2 (ja) * 1973-11-29 1983-07-20 キヤノン株式会社 光分割器
US4162426A (en) * 1974-09-25 1979-07-24 Canon Kabushiki Kaisha Zone responsive, light-sensing circuit for controlling flash photographing

Also Published As

Publication number Publication date
US4274721A (en) 1981-06-23
DE3007172A1 (de) 1980-09-11
JPS55125623U (enrdf_load_stackoverflow) 1980-09-05
JPS634984Y2 (enrdf_load_stackoverflow) 1988-02-10

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Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
D2 Grant after examination
8327 Change in the person/name/address of the patent owner

Owner name: NIKON CORP., TOKIO/TOKYO, JP